Q9 When the following equation is balanced in acidic solution, the coefficients for H¹, MnO, and H₂O are? + H₂O 2MnO4¹ B. 2, 2.3 2MnO2) + 3SO (ng) D. 2, 2, 1 5d orbital? A.1.2.3 +3SO3(aq) + 2H (aq) - (aq) C. 3, 2, 1
Q9 When the following equation is balanced in acidic solution, the coefficients for H¹, MnO, and H₂O are? + H₂O 2MnO4¹ B. 2, 2.3 2MnO2) + 3SO (ng) D. 2, 2, 1 5d orbital? A.1.2.3 +3SO3(aq) + 2H (aq) - (aq) C. 3, 2, 1
Chemistry
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ISBN:9781305957404
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The lock-and-key model is used to describe the catalytic enzyme activity, based on the interaction between enzyme and substrate. This model considers the lock as an enzyme and the key as a substrate to explain this model. The concept of how a unique distinct key only can have the access to open a particular lock resembles how the specific substrate can only fit into the particular active site of the enzyme. This is significant in understanding the intermolecular interaction between proteins and plays a vital role in drug interaction.
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chemistry, Quicccckly please solve question 9
![Q1. What is the volume of 0.40 M H3PO4 solution needed to neutralize 500.0 mL of 0.30 M Ca(OH)2?
A. 200 mL
B. 250 mL
D. 400mL
Q2. 20 g NaOH are dissolved in water 500 mL. 10. mL of this solution was diluted 100 mL solution
C. 500 mL
What is M of the diluted solution?
A. 4.0 M
B. 0.40 M
Q3. Which of the following is insoluble in water?
A. Ca(HCO3)2
B. H₂S
C. BaCO3
Q4. What is its frequency (s) of a photon that has an energy of 5.53 × 10-¹7 J?
A3.59 × 10-⁹
B. 1.20 × 10-17
C. 8.35 x 10¹6
D. 2.78 × 108
Q5. What mass of AgCl is produced if 600 mL of 1.0 MAgNO3 and 400 mL of 2.0 M NaCl are reacted?
A. 57.3 g
B. 86.0 g
C. 14.3 g
D. 28.6 g
Q6. What are the spectator ions when Bal2 and K2SO4 react in aqueous solution?
A. Ba²+, 1¹-
B. K+, SO4²-
C. K¹, 1¹-
A.
C.
1
C. 0.10 M
Q7. Which of the following electron configurations in the ground state is correct?
A. Cu: [Ar] 4s²3d8
C. Cut: [Ar]3d¹⁰
Q8. What is the λ of light that is emitted when an excited electron in the hydrogen atom falls from n = 4 to n = 1?
B. Cu*: [Ar] 4d¹0
D. Cu: [Kr]3d¹0
A. 97.2 nm
C. 3.65 x 10² nm
B. 82.6 nm
D. 6.12 x 10-2 nm
Q9 When the following equation is balanced in acidic solution, the coefficients for H¹, MnO4 and H₂0 are?
2MnO4¹ (aq) +3SO3(aq) + 2H(aq) + 2MnO2(s) + 3SO4²(g) + H₂O
C. 3, 2, 1
A. 1, 2, 3
B. 2, 2.3
D. 2, 2, 1
Q10. Which of the following sets of quantum numbers (n, 1, ral, ms) refers to a 5d orbital?
A. (5, 3, 1, +1/2)
E. (4, 2, 1, +1/2)
C. (5, 2, -2, -1/2)
D. (5, 2, 3, -1/2)
Q11. Which represents the ground state for O¹¹?
2s
2p
↑↓
1
11
1
1
1
Q12. Which of the following reactions is a metathesis reaction?
→ CaS+ NaCl
A. Na2S +CaCl₂
ZnSO4+ H₂
C. Zn(s) + H₂SO4
Q13. Which equation correctly represents the first ionization of copper?
A. Cu(g) → Cu¹* (g) + le`
C. Cu(s) → Cut (g) +le
B.
D.
2s
D. 2.0 M
↑↓
D. Na2SO4
D. Ba²+, SO4²-
리리
2p
↑↑
B. H₂+ F22HF
D. NaOH + H3PO4 Na3PO4+ 6H₂O
B. Cu (g) →→ Cu²(g) + le
D. Cu(g) → Cu¹*(s) + le](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fda89c68f-5ffb-4b8d-b00b-585c8d396ffa%2Fc9e7d3e6-cc09-47a1-9368-d4c20def7f29%2Ft052dt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1. What is the volume of 0.40 M H3PO4 solution needed to neutralize 500.0 mL of 0.30 M Ca(OH)2?
A. 200 mL
B. 250 mL
D. 400mL
Q2. 20 g NaOH are dissolved in water 500 mL. 10. mL of this solution was diluted 100 mL solution
C. 500 mL
What is M of the diluted solution?
A. 4.0 M
B. 0.40 M
Q3. Which of the following is insoluble in water?
A. Ca(HCO3)2
B. H₂S
C. BaCO3
Q4. What is its frequency (s) of a photon that has an energy of 5.53 × 10-¹7 J?
A3.59 × 10-⁹
B. 1.20 × 10-17
C. 8.35 x 10¹6
D. 2.78 × 108
Q5. What mass of AgCl is produced if 600 mL of 1.0 MAgNO3 and 400 mL of 2.0 M NaCl are reacted?
A. 57.3 g
B. 86.0 g
C. 14.3 g
D. 28.6 g
Q6. What are the spectator ions when Bal2 and K2SO4 react in aqueous solution?
A. Ba²+, 1¹-
B. K+, SO4²-
C. K¹, 1¹-
A.
C.
1
C. 0.10 M
Q7. Which of the following electron configurations in the ground state is correct?
A. Cu: [Ar] 4s²3d8
C. Cut: [Ar]3d¹⁰
Q8. What is the λ of light that is emitted when an excited electron in the hydrogen atom falls from n = 4 to n = 1?
B. Cu*: [Ar] 4d¹0
D. Cu: [Kr]3d¹0
A. 97.2 nm
C. 3.65 x 10² nm
B. 82.6 nm
D. 6.12 x 10-2 nm
Q9 When the following equation is balanced in acidic solution, the coefficients for H¹, MnO4 and H₂0 are?
2MnO4¹ (aq) +3SO3(aq) + 2H(aq) + 2MnO2(s) + 3SO4²(g) + H₂O
C. 3, 2, 1
A. 1, 2, 3
B. 2, 2.3
D. 2, 2, 1
Q10. Which of the following sets of quantum numbers (n, 1, ral, ms) refers to a 5d orbital?
A. (5, 3, 1, +1/2)
E. (4, 2, 1, +1/2)
C. (5, 2, -2, -1/2)
D. (5, 2, 3, -1/2)
Q11. Which represents the ground state for O¹¹?
2s
2p
↑↓
1
11
1
1
1
Q12. Which of the following reactions is a metathesis reaction?
→ CaS+ NaCl
A. Na2S +CaCl₂
ZnSO4+ H₂
C. Zn(s) + H₂SO4
Q13. Which equation correctly represents the first ionization of copper?
A. Cu(g) → Cu¹* (g) + le`
C. Cu(s) → Cut (g) +le
B.
D.
2s
D. 2.0 M
↑↓
D. Na2SO4
D. Ba²+, SO4²-
리리
2p
↑↑
B. H₂+ F22HF
D. NaOH + H3PO4 Na3PO4+ 6H₂O
B. Cu (g) →→ Cu²(g) + le
D. Cu(g) → Cu¹*(s) + le
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